From eca554435e6acdc412825f2fb0683ccd423ea6bb Mon Sep 17 00:00:00 2001
From: Sergei Trofimovich <slyich@gmail.com>
Date: Sun, 7 Nov 2021 15:40:11 +0000
Subject: [PATCH] cloog: enable parallel building, explicitly disable parallel
 testing

---
 pkgs/development/libraries/cloog/default.nix | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/cloog/default.nix b/pkgs/development/libraries/cloog/default.nix
index 02a91050e7ba..bfca886e03d5 100644
--- a/pkgs/development/libraries/cloog/default.nix
+++ b/pkgs/development/libraries/cloog/default.nix
@@ -15,8 +15,9 @@ stdenv.mkDerivation rec {
 
   configureFlags = [ "--with-isl=system" ];
 
-  # Breaks the test cases
-  #enableParallelBuilding = true;
+  enableParallelBuilding = true;
+  # Breaks the test cases as it reuses 'cloog_temp' file name for different tests.
+  enableParallelChecking = false;
 
   doCheck = true;